100% Free
No Upload
Bulk Conversion
Bulk HDR to AVIF Converter — Free, No Upload
Convert multiple HDR files to AVIF instantly — all in your browser. No file limits, no watermarks, and completely private.
HDR
AVIF
·
ZIP
Bulk HDR → AVIF Converter
Select files, convert, download ZIP — all locally
HDR Support is coming soon — we are working on it.
Drop HDR files here or click to browse
Supports batch selection — convert hundreds of files
HDR
→ AVIF
ZIP
0 files
Converting
0 / 0
✓ Conversion completed!
All files converted successfully. Click Download ZIP to save them.
Why convert HDR to AVIF?
Want faster load times and lower bandwidth costs? Switch from HDR to AVIF. The difference is dramatic: lossless vs lossy/lossless, 32-bit float vs 12-bit HDR. convert.contextual.raster_to_web
Technical comparison: HDR vs AVIF
How to use — 3 simple steps
1
Select your HDR files
Drag & drop or click to choose multiple HDR images. No file size restrictions.
2
Start the conversion
Click "Convert to :to" — your files are processed locally using WebAssembly. No upload, no waiting.
3
Download ZIP archive
All converted AVIF files are bundled into a single ZIP. One click, everything saved.
Popular use cases for HDR → AVIF
Make your HDR images viewable on any device – convert to AVIF
Stop dealing with "unsupported format" errors – use AVIF instead of HDR
Batch rename and convert your HDR collection to AVIF for a unified library
Improve your website's Google PageSpeed score by serving AVIF images
💡 Pro tips
- Use WebP/AVIF for web — they load 30‑50% faster than JPEG/PNG
- Use the ZIP download to get all converted files in a single click
- All processing is private — files are never uploaded to any server
Frequently Asked Questions
No. This tool runs entirely in your browser using JavaScript and WebAssembly.
For lossy AVIF, 85‑92% is optimal. For lossless, quality is always perfect.
Yes, especially RAW files are fully processed with demosaicing and white balance.
Absolutely. AVIF is widely supported by most platforms.